Hummer: Ke$ha's "Tik Tok"

We might be a little late to the party on this one -- but that's only in terms of posting about it, not listening to it. We've been loving this songs for weeks and we even managed to lure Ke$ha into the Out video studio last week to chat about her upcoming album Animal, due out January 5. We'll have that video for you, plus some other fun Ke$ha content, just after the new year. But until then, get ready to offer up your ear (and soon enough your sanity -- you won't be able to get it out of your head) to "Tik Tok," the most perfect "getting ready to go out" song since Lady Gaga's "Just Dance":